Gujarat BoardEnglish MediumSTD 8MATHSFactorization1 Mark
MCQ
The common factor of $8a^2b^4c^2, 12a^4bc^4$ and $20a^3b^4$ is:
A
$a^4b^4$
B
$a^2b^2$
C
$4a^2b^2$
✓
$4a^2b$
✓
Answer
Correct option: D.
$4a^2b$
D. $4a^2b.$ Solution:
$8 a^2 b^4 c^2=2 \times 2 \times 2 \times a \times a \times b \times b \times b \times b \times c \times c $
$ 12 a^4 b c^2=2 \times 2 \times 3 \times a \times a \times a \times a \times b \times c \times c $
$ 20 a^3 b^4=2 \times 2 \times 5 \times a \times a \times a \times b \times b \times b \times b$
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